Closed Bug 1700319 Opened 3 years ago Closed 3 years ago

SIMD optimization x64/x86: Avoid PSHUFD for i32->i64 widening operations

Categories

(Core :: JavaScript: WebAssembly, enhancement, P3)

x86_64
All
enhancement

Tracking

()

RESOLVED FIXED
95 Branch
Tracking Status
firefox95 --- fixed

People

(Reporter: lth, Assigned: yury)

References

(Blocks 1 open bug)

Details

Attachments

(1 file)

See https://bugs.chromium.org/p/v8/issues/detail?id=11470. There are special cases (which are common cases, such as src == dest) when pshufd can be replaced by other operations.

Assignee: nobody → ydelendik
Status: NEW → ASSIGNED
Pushed by ydelendik@mozilla.com:
https://hg.mozilla.org/integration/autoland/rev/061991db30de
Avoid PSHUFD for i32->i64 widening operations. r=lth
Status: ASSIGNED → RESOLVED
Closed: 3 years ago
Resolution: --- → FIXED
Target Milestone: --- → 95 Branch
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